Blar i Publikasjoner fra CRIStin - SINTEF Energi på forfatter "Pardiñas, Ángel Á."
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Advanced R744 solution for supermarkets, hotel chillers and maritime applications in India
Singh, Simarpreet; Selvnes, Håkon; Pardiñas, Ángel Á.; Reddy, Srinevas K; Gupta, P; Vaishak, S; Arun, B.S.; Widell, Kristina Norne; Elarga, Hagar; Hafner, Armin (Science et technique du froid;, Chapter; Peer reviewed, 2022)R744 integrated systems can meet oscillating heating and cooling demands efficiently and become a game changer in countries such as India. The present work aims to develop and present R744 system designs and disseminate ... -
Ejector for the world: simplified ejector-supported CO2 refrigeration systems for all climates
Pardiñas, Ángel Á.; Fabris, F; Contiero, Luca; Selvnes, Håkon; Banasiak, Krzysztof; Hafner, Armin (Science et technique du froid;, Chapter; Peer reviewed, 2022)The novel configuration presented in this work simplifies the layout of ejector-supported booster systems while maintaining all the benefits of an ejector implementation. The basic version of the solution is based on: i) ... -
Energy use and retrofitting potential of heat pumps in cold climate hotels
Smitt, Silje Marie; Tolstorebrov, Ignat; Gullo, Paride; Pardiñas, Ángel Á.; Hafner, Armin (Peer reviewed; Journal article, 2021)Tourism, and thereby hotels, play a crucial role in the European economy. The hotel sector features high energy consumption, which greatly contributes to the global warming effect. Thus, there is a need to investigate ... -
Evaluation of Integrated Concepts with CO2 for Heating, Cooling and Hot Water Production
Smitt, Silje Marie; Pardiñas, Ángel Á.; Hafner, Armin (Peer reviewed; Journal article, 2021) -
Experimental evaluation of the performance of an ejector for a single compression multi-temperature CO2 refrigeration unit
Fabris, F; Pardiñas, Ángel Á.; Marinetti, Sergio; Rossetti, Antonio; Hafner, Armin; Minetto, Silvia (Science et technique du froid;, Chapter; Peer reviewed, 2022)A novel vapor-compression system concept employing carbon dioxide as the refrigerant is proposed to serve the needs of a typical medium-size refrigerated truck used for multi-temperature (MT and LT) goods delivery. The ... -
Experimental investigation of CO2 systems for Indian supermarkets with parallel configuration of multiejectors (INDEE)
Banasiak, Krzysztof; Singh, Simarpreet; Hafner, Armin; Maiya, Prakash; Nekså, Petter; Pardiñas, Ángel Á. (Actes du ... Congres international du froid;2019, Chapter; Peer reviewed, 2019) -
Experimental investigation on integrated two-stage evaporators for CO2 heat-pump chillers
Hafner, Armin; Hazarika, Mihir Mouchum; Lechi, Federico; Zorzin, Alvaro; Pardiñas, Ángel Á.; Banasiak, Krzysztof (Science et technique du froid;, Chapter; Peer reviewed, 2022)In this experimental study the performance of novel compact evaporator configuration was investigated. What makes this evaporator configuration unique is the integration of a gravity-fed/ self-circulation evaporator loop ... -
Innovative refrigeration concept for passenger ships - combining CO2 refrigerant, cold recovery and cold storage
Pardiñas, Ángel Á.; Selvnes, Håkon; Gabrielii, Cecilia H; Saeed, Muhammad Zahid (Science et technique du froid;, Chapter; Peer reviewed, 2022)More stringent international regulations on ship's emissions require a shift towards more climate friendly fuels, such as liquefied natural gas (LNG). On LNG-driven ships, the fuel is stored onboard at cryogenic temperature. ... -
Innovative reheat approach of the TES system during the hotel’s standstill operation utilizing a CO2 heat pump/chiller unit
Elarga, Hagar Hassan Hassanein Hassan; Pardiñas, Ángel Á.; Minetto, Silvia; Hafner, Armin (Science et technique du froid;2023-4, Chapter; Peer reviewed, 2023)The implementation of CO2 as a refrigerant is considered one of the solutions to improve the overall building’s energy performance, especially if the heat recovery concept is applied. In this paper, an innovative approach ... -
Integrated R744 ejector supportet parallel compression racks for supermarkets : experimental results
Pardiñas, Ángel Á.; Hafner, Armin; Banasiak, Krzysztof (Science et technique du froid;2018-3, Chapter; Peer reviewed, 2018) -
Integrated R744 ejector supportet parallel compression racks for supermarkets : experimental results
Pardiñas, Ángel Á.; Hafner, Armin; Banasiak, Krzysztof (Science et technique du froid;2018-3, Chapter; Peer reviewed, 2018) -
Modeling of a CO2‐Based Integrated Refrigeration System for Supermarkets
Pardiñas, Ángel Á.; Jokiel, Michael; Schlemminger, Christian; Selvnes, Håkon; Hafner, Armin (Peer reviewed; Journal article, 2021)An integrated energy system that consists of a centralized refrigeration unit can deliver the entire HVAC&R (heating, ventilation, air conditioning, and refrigeration) demand for a supermarket. CO2 (R744) is a natural ... -
Modelling and development of high-pressure-lift ejector for low temperature evaporators in R744 refrigeration systems for supermarkets
Banasiak, Krzysztof; Pardiñas, Ángel Á.; Kriezi, Ekaterini E. (Actes du ... Congres international du froid;ICR2019, Chapter; Peer reviewed, 2019) -
Modelling and development of high-pressure-lift ejector for low temperature evaporators in R744 refrigeration systems for supermarkets
Banasiak, Krzysztof; Pardiñas, Ángel Á.; Kriezi, Ekaterini E. (Actes du ... Congres international du froid;2019, Chapter; Peer reviewed, 2019) -
Multi Ejector and pivoting-supported R744 application with AC for supermarkets
Contiero, Luca; Hafner, Armin; Pardiñas, Ángel Á. (Chapter; Peer reviewed, 2021)CO2 refrigeration units are gaining market shares thanks to the ability to provide an energy efficient performance for industrial and commercial refrigeration applications in any climate. As with all the applications, the ... -
A novel R744 multi-temperature cycle for refrigerated transport applications with low-temperature ejector: Experimental ejector characterization and thermodynamic cycle assessment
Fabris, Francesco; Pardiñas, Ángel Á.; Marinetti, Sergio; Rossetti, Antonio; Hafner, Armin; Minetto, Silvia (Peer reviewed; Journal article, 2023)A novel vapor-compression system concept employing carbon dioxide as the refrigerant is proposed to serve the needs of a typical medium-size refrigerated truck used for multi-temperature (MT and LT) goods delivery. The ... -
Performance improvements of supermarket R744 systems by pivoting compressor arrangements
Contiero, Luca; Fabris, F; Pardiñas, Ángel Á.; Hafner, Armin (Science et technique du froid;, Chapter; Peer reviewed, 2022)The adoption of the EU F-Gas regulation 517/2014 and the development of the Multi Ejector concept have led CO2 to take center stage as one of the preferred solutions in several applications, at the expense of synthetic ... -
Performance test methodology for the LCCP determination of supermarket and other integrated systems
Pardiñas, Ángel Á.; Hafner, Armin; Banasiak, Krzysztof; Larsen, L. (Science et technique du froid;2017-2, Chapter; Peer reviewed, 2017) -
R744 Refrigeration Solution for Small Supermarkets
Singh, Simarpreet; Pardiñas, Ángel Á.; Hafner, Armin; Schlemminger, Christian; Banasiak, Krzysztof (Science et technique du froid;, Chapter; Peer reviewed, 2021)Application based technology solution is nowadays preferred to achieve the performance of the cooling system configuration at its best. Therefore, benchmarking is an essential criterion which would add value to the optimum ... -
State-of-the-Art for the use of Phase-Change Materials in Tanks Coupled with Heat Pumps
Pardiñas, Ángel Á.; Alonso, Maria Justo; Diz, Rubén; Kvalsvik, Karoline Husevåg; Fernandez-Seara, Jose (Journal article; Peer reviewed, 2017)With the goal of increasing heat storage in the same accumulation volumes, phase-change materials are considered. There are different substances with different phase-change temperatures that can be used for storing heating ...